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CUT-GRIP |
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Selection of Suitable Chipformer
Two types of chipformers are available for turning and grooving of steel, alloy steel and stainless steel - the F-type and the P-type.
Turning
The basic chipbreaking range of the GIP chipformer compared to the GIF type is shown in the diagram. An insert with the Ptype chipformer can handle 0.5 mm/rev., whereas an F-type can reach a maximum of 0.35 mm/rev. under the same machining conditions.
F Chipformer
The F-type chipformer is available on:
• CUT-GRIP GIF inserts, double-ended, ground
• CUT-GRIP GIMF inserts, single-ended, utility
• TOP-GRIP TGMF inserts, double-ended, utility.
The F-type chipformer functions properly in a range of small-to-medium feeds with small depths of cut on materials requiring high chip formation, such as austenitic stainless steel and high temperature alloys. The F chipformer is limited in the upper feed ranges due to the deflector geometry. (For example, the maximum feed for a 6mm wide insert with an F chipformer is 0.3 mm/rev.)
P Chipformer
The P-type chipformer is available on CUT-GRIP GIP double-ended, ground inserts. GIP inserts are very efficient in turning using medium-to-high feeds, especially over 0.25 mm/rev with relatively low power consumption. The P-type chipformer is comparable to the standard ISO M-type chipformer with an open chipformer design.
In general the chipbreaking range depends upon the insert width and corner radius as shown in the diagrams. When selecting the width of an insert, consider the chipforming range. Small widths of inserts are designed to cover small feeds and small depths of cut.
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